PHP json_decode() not working

Question

I have a problem I am getting a json file I can echo it and it looks like this

[{"sys_data":"0MxPPaza","date":"2015-02-15","objective":"VIDEO"}]

in my code I am doing this

$json = FROM THE SERVER;
$obj = json_decode($json);
$res = $obj->["objective"];
echo $res;

res is NULL obj is NULL also

Json string is valid. But I'm not sure about $res = $obj->["objective"]; construction. — Sergey Chizhik
– Sergey Chizhik, Commented May 27, 2015 at 16:58
if $obj is null, then the json string is not valid at all. Try to display $json. make sure it is really valid. — Federkun
– Federkun, Commented May 27, 2015 at 17:01
@Leggendario json_last_error_msg() returns No errors SergeyChizhik if I echo only obj it is also null — Nemanja_DarkOne
– Nemanja_DarkOne, Commented May 27, 2015 at 17:01
Client has done something on their server and the json is not working I still do not understand why there were no errors in the json_last_error_msg() if json was not good. — Nemanja_DarkOne
– Nemanja_DarkOne, Commented May 30, 2015 at 14:12

NaijaProgrammer · Accepted Answer · 2015-05-27 17:03:17Z

2

Your json_decode call returns an array, with one member.

Here is a dump of your json object:

array (size=1) 0 => object(stdClass)[10] public 'sys_data' => string '0MxPPaza' (length=8) public 'date' => string '2015-02-15' (length=10) public 'objective' => string 'VIDEO' (length=5)

so replace this line:

$res = $obj->["objective"];

With this:

$res = $obj[0]->objective;

answered May 27, 2015 at 17:03

NaijaProgrammer

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Sergey Chizhik · Accepted Answer · 2015-05-27 17:03:07Z

0

Just replace [] quotes to {}. Like $res = $obj[0]->{"objective"};

Or you may use assoc array convertation instead of object:

$json = FROM THE SERVER;
$obj = json_decode($json, true);
$res = $obj["objective"];
echo $res;`

answered May 27, 2015 at 17:03

Sergey Chizhik

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